CA2011328C - Support downtilt bracket for mounting an antenna on a metallic tower - Google Patents
Support downtilt bracket for mounting an antenna on a metallic towerInfo
- Publication number
- CA2011328C CA2011328C CA002011328A CA2011328A CA2011328C CA 2011328 C CA2011328 C CA 2011328C CA 002011328 A CA002011328 A CA 002011328A CA 2011328 A CA2011328 A CA 2011328A CA 2011328 C CA2011328 C CA 2011328C
- Authority
- CA
- Canada
- Prior art keywords
- antenna
- bracket
- bolt
- pole member
- pivot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001413 cellular effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
- H01Q1/1228—Supports; Mounting means for fastening a rigid aerial element on a boom
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
- F16M2200/022—Locking means for rotational movement by friction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of Aerials (AREA)
Abstract
A mechanical bracket for mounting a telecommunication antenna on a metallic tower comprises a pipe section to secure the bracket to the tower. The angular position of the pipe section about its longitudinal axis is selected to appropriately orient the bracket. A transversal pivot bridges a pair of spaced apart parallel plates of the bracket.
The antenna comprises a pole member with a free end pivotally mounted on the pivot between the two plates.
A bolt and nut assembly traverses the pole member and two arcuate slots respectively made in the parallel plates. In operation, the pole member is rotated about the pivot with the bolt sliding in the two arcuate slots, and the bolt and nut assembly is tightened when a desired position for the pole member, and therefore for the antenna, is reached to thereby lock the pole member and the antenna in this position.
The antenna comprises a pole member with a free end pivotally mounted on the pivot between the two plates.
A bolt and nut assembly traverses the pole member and two arcuate slots respectively made in the parallel plates. In operation, the pole member is rotated about the pivot with the bolt sliding in the two arcuate slots, and the bolt and nut assembly is tightened when a desired position for the pole member, and therefore for the antenna, is reached to thereby lock the pole member and the antenna in this position.
Description
^' 2011328 SUPPORT DOWNTILT BRACKET FOR MOUNTING AN
ANTENNA ON A METALLIC TOWER
BACKGROUND OF THE INVENTION
1. Field of the invention:
The present invention relates to a mechanical bracket of simple design for mounting on the top of a metallic tower an antenna for, in particular but not exclusively, cellular telephony.
ANTENNA ON A METALLIC TOWER
BACKGROUND OF THE INVENTION
1. Field of the invention:
The present invention relates to a mechanical bracket of simple design for mounting on the top of a metallic tower an antenna for, in particular but not exclusively, cellular telephony.
2. Brief description of the prior art:
A conventional device used to mount an antenna for cellular telephony on the end of a metallic tower comprises a plurality of articulated arms. The mechanical articulations between the arms enable correct orientation of the antenna but make the resulting device complex and accordingly expensive.
Another drawback of such a conventional device is that it is heavy. The charge on the tower due to each antenna is therefore increased whereby fewer antennae can be mounted on the top of the tower.
~;3L
OBJECT OF THE INVENTION
An object of the present invention is therefore to elimitate the above discussed drawbacks of the prior art by providing a light-weight mechanical bracket of simple design capable of fixing a telecommunication antenna to a tower while enabling positional adjustment thereof.
SUMMARY OF THE INVENTION
More particularly, the subject invention is concerned with a mechanical bracket for mounting a telecommunication antenna on an antenna support structure while enabling spatial positioning of that antenna, comprising means for fixedly securing the mechanical bracket to the antenna support structure;
and means for fastening the antenna to the mechanical bracket, these antenna fastening means comprising (a) a pivot about which the antenna is rotatable, and (b) means for locking in position the rotatable antenna.
The bracket comprises a pair of spaced apart parallel plates each comprising an arcuate slot therein, and a pair of spaced apart plate means for rigidly interconnecting the parallel plates. The pivot is mounted between and perpendicular to the two parallel plates, and is spaced apart from the arcuate slots.
The antenna comprises a pole member with a free end pivotally mounted on the pivot between the two parallel plates and between the two plate means, and the locking means includes the two arcuate slots in the parallel plates and a bolt and nut assembly traversing these slots and pole member.
20 ~ 1 328 In operation, the pole member can be pivoted about the pivot with the bolt of the bolt and nut assembly sliding in the two arcuate slots, and this bolt and nut assembly can be tightened when a desired position for the pole member, and therefore for the antenna, is reached to thereby lock the pole member and the antenna in that desired position.
In accordance with an advantageous feature of the invention, the bracket securing means comprises an elongated, cylindrical tubular member with a longitudinal axis, which tubular member having an angular position about its longitudinal axis selected to appropriately orient the bracket.
The objects, advantages and other features of the present invention will become more apparent upon reading of the following non restrictive description of a preferred embodiment thereof, given by way of example only with reference to the accompanying drawings.
2{)11328 BRIEF DESCRIPTION OF THE DRAWINGS
In the appended drawings:
Figure 1 is a side, elevation view of a bracket in accordance with the present invention;
Figure 2 is a top view of the bracket of Figure l; and Figure 3 is an enlarged, partial side elevation view of the bracket of Figure 1 to which is mounted the pole of a telecommunication antenna.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
As illustrated in Figures 1 and 2 of the appended drawings, the preferred embodiment of the bracket 1 of the invention comprises a pair of lateral steel plates 2 and 3 which are symmetrical with respect to a central plane parallel to these plates.
The shape of the plates 2 and 3 is shown in Figure 1.
In particular, each plate 2 and 3 has a semicircular and inclined upper edge 4, as well as a semicircular upper slot 5 parallel to the edge 4. The arcs of circle defined by the edge 4 and slot 5 have a common center on which is centered a hole 20. The vertical rear edges 6 and 7 of the plates 2 and 3 are beveled.
,_ 2oll328 The lateral plates 2 and 3 are interconnected through a set of three steel plates, namely a front plate 8 and two rear plates 9 and 10, welded to the lateral plates 2 and 3. As shown in Figure 1, the front plate 8 defines an obtuse angle 11 and has a lower portion which is vertical. The rear plates 9 and 10 are planar and rectangular, they interconnect the beveled edges 6 and 7, are lying in the same vertical plane one above the other, and are spaced apart from each other by a given distance.
The bracket further comprises a vertical pipe section 12 of which the upper end is inserted between the lateral plates 2 and 3 and is welded to the inner surfaces of these two plates. As illustrated in Figure 2, the outer, cylindrical surface of the pipe section 12 contacts the inner surfaces of the plates 2, 3 and 10. The top edges of the pipe section 12 and of the rear plate 10 are at the same level, and the longitudinal axis of the latter pipe section is parallel to the beveled edges 6 and 7.
Referring now to Figure 3 of the appended drawings, the antenna comprises a pole 13 of which the lower end is pivotally mounted to the bracket 1. The pole 13 is typically a cylindrical tube made of aluminum. More specifically, the lower end of the pole 13 is introduced between the lateral plates 2 and 3, and a transversal bolt and nut assembly 14 traverses holes in the pole and the holes 20 in the ._, 2ol~3z8 latter plates. The pole 13 can therefore be rotated about the pivot formed by the bolt 14' of assembly 14, the spacing between the plates 9 and 10 providing clearance for that purpose. The bolt and nut assembly 14 is therefore positioned on the center of the arcs of circle defined by the edges 4 and the slots 5 of the plates 2 and 3.
Another transversal bolt and nut assembly 1015 traverses holes in the pole 13 and the slots 5 in the two plates 2 and 3. Accordingly, the bolt 15' of assembly 15 slides into the slots 5 when the pole 13 is pivoted about the bolt 14'. In order to adjust the position of the antenna, one has only to pivot the pole 13 about the bolt 14', and as the antenna reaches the desired position the bolt and nut assembly 15 is tightened to lock the pole 13 and therefore the antenna in this position.
20The bracket 1 can be installed on the end of a metallic tower (not shown). For that purpose, the pipe section 12 is fixed to the tower through suitable fasteners (not shown). It is positioned vertical using a level with its angular position about its longitudinal axis selected to appropriately orient the bracket 1. The last step in adju~ting the position of the antenna is to rotate the pole 13 about the bolt 14' and then to tighten the bolt and nut assembly 15, as explained in the foregoing description. The bolt and nut assembly 14 can then ` -2(~328 also be tightened to increase the rigidity of the fixation.
Of course, the pipe section 12 can be fixed vertical on the tower with the plates 2, 3, 9 and 10 at the lower or the upper end thereof.
The bracket 1 in accordance with the invention can be used to install on the top of a metallic tower any type of telecommunication antenna, in particular but not exclusively an antenna for cellular telephony.
Although the present invention has been described hereinabove with reference to a preferred embodiment thereof, such an embodiment can be modified at will, within the scope of the appended claims, without departing from the spirit and nature of the invention. In particular, the pipe section 12 can be replaced by any other type of fastener suitable to mount the bracket 1 on the metallic tower.
A conventional device used to mount an antenna for cellular telephony on the end of a metallic tower comprises a plurality of articulated arms. The mechanical articulations between the arms enable correct orientation of the antenna but make the resulting device complex and accordingly expensive.
Another drawback of such a conventional device is that it is heavy. The charge on the tower due to each antenna is therefore increased whereby fewer antennae can be mounted on the top of the tower.
~;3L
OBJECT OF THE INVENTION
An object of the present invention is therefore to elimitate the above discussed drawbacks of the prior art by providing a light-weight mechanical bracket of simple design capable of fixing a telecommunication antenna to a tower while enabling positional adjustment thereof.
SUMMARY OF THE INVENTION
More particularly, the subject invention is concerned with a mechanical bracket for mounting a telecommunication antenna on an antenna support structure while enabling spatial positioning of that antenna, comprising means for fixedly securing the mechanical bracket to the antenna support structure;
and means for fastening the antenna to the mechanical bracket, these antenna fastening means comprising (a) a pivot about which the antenna is rotatable, and (b) means for locking in position the rotatable antenna.
The bracket comprises a pair of spaced apart parallel plates each comprising an arcuate slot therein, and a pair of spaced apart plate means for rigidly interconnecting the parallel plates. The pivot is mounted between and perpendicular to the two parallel plates, and is spaced apart from the arcuate slots.
The antenna comprises a pole member with a free end pivotally mounted on the pivot between the two parallel plates and between the two plate means, and the locking means includes the two arcuate slots in the parallel plates and a bolt and nut assembly traversing these slots and pole member.
20 ~ 1 328 In operation, the pole member can be pivoted about the pivot with the bolt of the bolt and nut assembly sliding in the two arcuate slots, and this bolt and nut assembly can be tightened when a desired position for the pole member, and therefore for the antenna, is reached to thereby lock the pole member and the antenna in that desired position.
In accordance with an advantageous feature of the invention, the bracket securing means comprises an elongated, cylindrical tubular member with a longitudinal axis, which tubular member having an angular position about its longitudinal axis selected to appropriately orient the bracket.
The objects, advantages and other features of the present invention will become more apparent upon reading of the following non restrictive description of a preferred embodiment thereof, given by way of example only with reference to the accompanying drawings.
2{)11328 BRIEF DESCRIPTION OF THE DRAWINGS
In the appended drawings:
Figure 1 is a side, elevation view of a bracket in accordance with the present invention;
Figure 2 is a top view of the bracket of Figure l; and Figure 3 is an enlarged, partial side elevation view of the bracket of Figure 1 to which is mounted the pole of a telecommunication antenna.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
As illustrated in Figures 1 and 2 of the appended drawings, the preferred embodiment of the bracket 1 of the invention comprises a pair of lateral steel plates 2 and 3 which are symmetrical with respect to a central plane parallel to these plates.
The shape of the plates 2 and 3 is shown in Figure 1.
In particular, each plate 2 and 3 has a semicircular and inclined upper edge 4, as well as a semicircular upper slot 5 parallel to the edge 4. The arcs of circle defined by the edge 4 and slot 5 have a common center on which is centered a hole 20. The vertical rear edges 6 and 7 of the plates 2 and 3 are beveled.
,_ 2oll328 The lateral plates 2 and 3 are interconnected through a set of three steel plates, namely a front plate 8 and two rear plates 9 and 10, welded to the lateral plates 2 and 3. As shown in Figure 1, the front plate 8 defines an obtuse angle 11 and has a lower portion which is vertical. The rear plates 9 and 10 are planar and rectangular, they interconnect the beveled edges 6 and 7, are lying in the same vertical plane one above the other, and are spaced apart from each other by a given distance.
The bracket further comprises a vertical pipe section 12 of which the upper end is inserted between the lateral plates 2 and 3 and is welded to the inner surfaces of these two plates. As illustrated in Figure 2, the outer, cylindrical surface of the pipe section 12 contacts the inner surfaces of the plates 2, 3 and 10. The top edges of the pipe section 12 and of the rear plate 10 are at the same level, and the longitudinal axis of the latter pipe section is parallel to the beveled edges 6 and 7.
Referring now to Figure 3 of the appended drawings, the antenna comprises a pole 13 of which the lower end is pivotally mounted to the bracket 1. The pole 13 is typically a cylindrical tube made of aluminum. More specifically, the lower end of the pole 13 is introduced between the lateral plates 2 and 3, and a transversal bolt and nut assembly 14 traverses holes in the pole and the holes 20 in the ._, 2ol~3z8 latter plates. The pole 13 can therefore be rotated about the pivot formed by the bolt 14' of assembly 14, the spacing between the plates 9 and 10 providing clearance for that purpose. The bolt and nut assembly 14 is therefore positioned on the center of the arcs of circle defined by the edges 4 and the slots 5 of the plates 2 and 3.
Another transversal bolt and nut assembly 1015 traverses holes in the pole 13 and the slots 5 in the two plates 2 and 3. Accordingly, the bolt 15' of assembly 15 slides into the slots 5 when the pole 13 is pivoted about the bolt 14'. In order to adjust the position of the antenna, one has only to pivot the pole 13 about the bolt 14', and as the antenna reaches the desired position the bolt and nut assembly 15 is tightened to lock the pole 13 and therefore the antenna in this position.
20The bracket 1 can be installed on the end of a metallic tower (not shown). For that purpose, the pipe section 12 is fixed to the tower through suitable fasteners (not shown). It is positioned vertical using a level with its angular position about its longitudinal axis selected to appropriately orient the bracket 1. The last step in adju~ting the position of the antenna is to rotate the pole 13 about the bolt 14' and then to tighten the bolt and nut assembly 15, as explained in the foregoing description. The bolt and nut assembly 14 can then ` -2(~328 also be tightened to increase the rigidity of the fixation.
Of course, the pipe section 12 can be fixed vertical on the tower with the plates 2, 3, 9 and 10 at the lower or the upper end thereof.
The bracket 1 in accordance with the invention can be used to install on the top of a metallic tower any type of telecommunication antenna, in particular but not exclusively an antenna for cellular telephony.
Although the present invention has been described hereinabove with reference to a preferred embodiment thereof, such an embodiment can be modified at will, within the scope of the appended claims, without departing from the spirit and nature of the invention. In particular, the pipe section 12 can be replaced by any other type of fastener suitable to mount the bracket 1 on the metallic tower.
Claims (3)
1. A mechanical bracket for mounting a telecommunication antenna on an antenna support structure while enabling spatial positioning of the said antenna, comprising:
means for fixedly securing the mechanical bracket to the antenna support structure; and means for fastening the said antenna to the mechanical bracket, said antenna fastening means comprising (a) a pivot about which said antenna is rotatable, and (b) means for locking in position the said rotatable antenna; wherein:
the said bracket comprises a pair of spaced apart parallel plates each comprising an arcuate slot therein, and a pair of spaced apart plate means for rigidly interconnecting said parallel plates;
the said pivot is mounted between the two parallel plates, it is perpendicular to the said parallel plates, and is spaced apart from the arcuate slots;
the said antenna comprises a pole member with a free end pivotally mounted on said pivot between the two parallel plates and between the two plate means; and the said locking means includes the two arcuate slots in the parallel plates and a bolt and nut assembly traversing the said slots and pole member;
whereby, in operation, the pole member can be pivoted about the said pivot with the bolt of the said bolt and nut assembly sliding in the two arcuate slots, and the said bolt and nut assembly can be tightened when a desired position for the pole member, and therefore for the said antenna, is reached to thereby lock the pole member and the antenna in said desired position.
means for fixedly securing the mechanical bracket to the antenna support structure; and means for fastening the said antenna to the mechanical bracket, said antenna fastening means comprising (a) a pivot about which said antenna is rotatable, and (b) means for locking in position the said rotatable antenna; wherein:
the said bracket comprises a pair of spaced apart parallel plates each comprising an arcuate slot therein, and a pair of spaced apart plate means for rigidly interconnecting said parallel plates;
the said pivot is mounted between the two parallel plates, it is perpendicular to the said parallel plates, and is spaced apart from the arcuate slots;
the said antenna comprises a pole member with a free end pivotally mounted on said pivot between the two parallel plates and between the two plate means; and the said locking means includes the two arcuate slots in the parallel plates and a bolt and nut assembly traversing the said slots and pole member;
whereby, in operation, the pole member can be pivoted about the said pivot with the bolt of the said bolt and nut assembly sliding in the two arcuate slots, and the said bolt and nut assembly can be tightened when a desired position for the pole member, and therefore for the said antenna, is reached to thereby lock the pole member and the antenna in said desired position.
2. The mechanical bracket of claim 1, wherein the said bracket securing means comprises an elongated member with a longitudinal axis, the said elongated member having an angular position about is longitudinal axis that can be selected to appropriately orient the said bracket.
3. The mechanical bracket of claim 1, in which the said elongated member is tubular and cylindrical.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002011328A CA2011328C (en) | 1990-03-02 | 1990-03-02 | Support downtilt bracket for mounting an antenna on a metallic tower |
| US07/487,826 US5029799A (en) | 1990-03-02 | 1990-03-05 | Downtilt support bracket for mounting an antenna on a metallic tower |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002011328A CA2011328C (en) | 1990-03-02 | 1990-03-02 | Support downtilt bracket for mounting an antenna on a metallic tower |
| US07/487,826 US5029799A (en) | 1990-03-02 | 1990-03-05 | Downtilt support bracket for mounting an antenna on a metallic tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2011328A1 CA2011328A1 (en) | 1990-11-01 |
| CA2011328C true CA2011328C (en) | 1995-08-22 |
Family
ID=25673988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002011328A Expired - Fee Related CA2011328C (en) | 1990-03-02 | 1990-03-02 | Support downtilt bracket for mounting an antenna on a metallic tower |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5029799A (en) |
| CA (1) | CA2011328C (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9218617D0 (en) * | 1992-09-03 | 1992-10-21 | Caron Clement | Adjustable extension arm for edge trimmer |
| US5320322A (en) * | 1993-08-17 | 1994-06-14 | Williams Jeffrey Z | Banner bracket |
| US5374024A (en) * | 1993-08-17 | 1994-12-20 | Williams; Jeffrey Z. | Banner bracket |
| US5727583A (en) * | 1997-03-19 | 1998-03-17 | Kennedy; Phillip Donald | Service umbrella |
| US5954305A (en) * | 1997-09-09 | 1999-09-21 | Summit Manufacturing, Inc. | Adaptable antenna mounting platform for fixed securement to an elongated mast pole |
| US6232928B1 (en) | 2000-02-03 | 2001-05-15 | Ems Technologies, Inc. | Antenna mounting bracket assembly |
| US6864847B2 (en) | 2002-02-22 | 2005-03-08 | Jan Blair Wensink | System for remotely adjusting antennas |
| CZ307564B6 (en) * | 2005-08-30 | 2018-12-12 | Marek Schneider | A support frame for a wheelchair and a folding connection of two parts with locking of the mutual position |
| KR100908670B1 (en) * | 2007-10-16 | 2009-07-21 | 김춘추 | Bicycle Saddle Angle Adjuster |
| US20090109089A1 (en) * | 2007-10-30 | 2009-04-30 | Sosy Technologies Stu, Inc. | System and Apparatus for Optimum GPS Reception |
| US8714511B2 (en) | 2011-12-15 | 2014-05-06 | Raymond Zoeteman | Umbrella stand |
| US9174337B2 (en) * | 2012-08-10 | 2015-11-03 | David Buchner | Saddle coupling and saddle base assembly for use with power hand tools |
| MY172538A (en) | 2012-10-15 | 2019-11-30 | Telekom Malaysia Berhad | An apparatus for adjusting the tilt angle of an antenna |
| CN104819365B (en) * | 2015-05-09 | 2017-03-29 | 常跃镡 | Mobile phone places bracket with panel computer |
| US10132098B1 (en) * | 2017-05-16 | 2018-11-20 | Atc Ip Llc | Non-disruptive reinforcement of telecommunications towers |
| US11510401B2 (en) * | 2017-12-09 | 2022-11-29 | Rod Dawg Holding LLC | Rod holding device and methods of use |
| US20190174734A1 (en) * | 2017-12-09 | 2019-06-13 | Rod Dawg Holdings Llc | Rod holding device and methods of use |
| CN113551133B (en) * | 2020-04-24 | 2023-04-07 | 杭州海康威视数字技术股份有限公司 | A hide line support for camera device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2733030A (en) * | 1956-01-31 | hawthorne | ||
| US2605778A (en) * | 1948-03-01 | 1952-08-05 | Clyde E Clapper | Adjustable umbrella support |
| US2618285A (en) * | 1949-02-03 | 1952-11-18 | Heisig Charles George | Adjustable awning for use on boats, beaches, and elsewhere |
| US2706608A (en) * | 1953-05-19 | 1955-04-19 | Joseph David Peter | Means for mounting radio antennae on vehicles and the like |
| US2721631A (en) * | 1954-10-26 | 1955-10-25 | Richard E Honold | Adjustable post for mailboxes, street signs, and the like |
| US3191898A (en) * | 1962-06-08 | 1965-06-29 | Richard C Mccullough | Adjustable antenna mounting |
| US4650146A (en) * | 1984-10-04 | 1987-03-17 | Duke Ned E | Surf fishing rod holder |
-
1990
- 1990-03-02 CA CA002011328A patent/CA2011328C/en not_active Expired - Fee Related
- 1990-03-05 US US07/487,826 patent/US5029799A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5029799A (en) | 1991-07-09 |
| CA2011328A1 (en) | 1990-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |